Question

State the 2 characteristics of matter due to which diffusion is possible.

Answer 1

Answer:

Diffusion is nothing but the movement of molecules from it's higher concentration to lower concentration.

Or

The spreading out and mixing of a one substance into another substance due to the motion of its particles is called diffusion.

Brownian motion :

The zig-sag movement of small particles suspended in a liquid or a gas is called Brownian motion. Brownian motion tells us that the particles are tiny nature and the particles of a matter are constantly moving.

Answer 2

Answer:

Diffusion is the movement of particles from its higher concentration to low concentrations.